CN214018863U

CN214018863U - Device for protecting blood vessel during use of chemotherapy drugs

Info

Publication number: CN214018863U
Application number: CN202021886109.7U
Authority: CN
Inventors: 郭峰; 刘婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-08-24
Anticipated expiration: 2030-09-02

Abstract

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a protect vascular device during use chemotherapy medicine, including the conveyer pipe, the one end of conveyer pipe is provided with the expansion umbrella body, the one end fixed mounting of the expansion umbrella body has the sleeve pipe, slidable mounting has first seal wire in the sleeve pipe, first seal wire runs through the expansion umbrella body and conveyer pipe, the one end fixed mounting of first seal wire has first protection piece, first protection piece is located the entrance point of the expansion umbrella body, the other end fixed mounting of first seal wire has the second protection piece, the second protection piece is located expansion umbrella body exit end, the exit end fixed mounting of conveyer pipe has fixed cover, the outside fixed mounting of fixed cover has the inlet tube, the top fixed mounting of inlet tube has the pulling tube. The utility model discloses a pulling first seal wire can be so that the expansion umbrella body slides in the blood vessel, can be so that the expansion of blood vessel back of the body, the ARC structure at expansion umbrella body both ends can reduce the damage to the blood vessel inner wall.

Description

Device for protecting blood vessel during use of chemotherapy drugs

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a device of protection blood vessel when using chemotherapy medicine.

Background

Chemotherapy is a short term for chemical drug therapy, and is a treatment mode of preventing proliferation, infiltration and metastasis of cancer cells by using chemical drugs until the cancer cells are finally killed. It is a systemic treatment means, and is combined with surgery and radiotherapy, and is called as three major treatment means of cancer; because the selectivity of the chemotherapy drug is not strong, normal cells of a human body can be inevitably damaged while cancer cells are killed, so that adverse reaction of the drug occurs; the chemotherapy drugs have relatively large irritation to blood vessels, so that the blood vessels are easily contracted after the chemotherapy drugs are used, and the local blood vessels are easily silted, which seriously affects the normal blood circulation of a patient;

in the prior art, when the expansion saccule is used for expanding the stenosis and the stent is implanted in the stenosis part mainly by controlling the guide wire, the umbrella body can be dragged to move back and forth by using the control guide wire, so that the umbrella body can continuously stimulate the blood vessel to cause the injury of the blood vessel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect of easy damage to blood vessels in the prior art and providing a device for protecting blood vessels when chemotherapy drugs are used.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a protect vascular device when using chemotherapy medicine, includes the conveyer pipe, the one end of conveyer pipe is provided with the expansion umbrella body, the one end fixed mounting of the expansion umbrella body has the sleeve pipe, slidable mounting has first seal wire in the sleeve pipe, first seal wire runs through the expansion umbrella body and conveyer pipe, the one end fixed mounting of first seal wire has first protection piece, first protection piece is located the entrance point of the expansion umbrella body, the other end fixed mounting of first seal wire has the second protection piece, the second protection piece is located the exit end of the expansion umbrella body, the exit end fixed mounting of conveyer pipe has fixed cover, the outside fixed mounting of fixed cover has the leading-in pipe, the top fixed mounting of leading-in pipe has the pulling pipe.

Preferably, a filter screen is fixedly mounted on the inner side of the expansion umbrella body, a filter core is arranged on one side of the filter screen, and the filter core is fixedly mounted inside the expansion umbrella body.

Preferably, the outlet end of the introducing pipe is provided with a connecting piece, the connecting piece comprises a threaded sleeve, and the threaded sleeve is fixedly connected with the first guide wire.

Preferably, a threaded head is installed on the inner side of the threaded sleeve in a threaded mode, and a second guide wire is fixedly installed on the outer side of the threaded head.

Preferably, the diameter of the second guide wire is the same as that of the first guide wire, and the diameter of the threaded sleeve is smaller than that of the guide tube.

The utility model provides a device of protection blood vessel when using chemotherapy medicine, beneficial effect lies in:

1. the expansion umbrella body can slide in the blood vessel by pulling the first guide wire, so that the back of the blood vessel can be expanded, the cambered surface structures at the two ends of the expansion umbrella body can reduce the damage to the inner wall of the blood vessel, and the first protection block and the second protection block can prevent the first guide wire from being completely separated from the expansion umbrella body;

2. the filter screen and the filter core in the expansion umbrella body can filter blood, guide some silted blood clots into the expansion umbrella body, avoid flowing into the blood vessel continuously, can take the expansion umbrella body out of the body and clear up finally; the whole process operation can effectively protect the circulation of blood vessels.

Drawings

FIG. 1 is a schematic view of a device for protecting blood vessels during administration of chemotherapeutic agents in accordance with the present invention;

FIG. 2 is a schematic view of a portion of the structure of a device for protecting blood vessels during administration of chemotherapeutic agents in accordance with the present invention;

fig. 3 is a schematic structural view of a connector of the device for protecting blood vessels when chemotherapy drugs are used.

In the figure: the device comprises a conveying pipe 1, an expansion umbrella body 2, a filter screen 21, a filter core 22, a first protection block 3, a sleeve 4, a fixing sleeve 5, an introducing pipe 6, a pulling pipe 7, a connecting piece 8, a threaded sleeve 81, a threaded head 82, a second guide wire 83, a second protection block 9 and a first guide wire 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a device for protecting blood vessels when chemotherapy drugs are used comprises a delivery pipe 1, one end of the delivery pipe 1 is provided with an expansion umbrella body 2, one end of the expansion umbrella body 2 is fixedly provided with a sleeve 4, a first guide wire 10 is slidably arranged in the sleeve 4, the first guide wire 10 penetrates through the expansion umbrella body 2 and the delivery pipe 1, one end of the first guide wire 10 is fixedly provided with a first protection block 3, the first protection block 3 is positioned at the inlet end of the expansion umbrella body 2, the other end of the first guide wire 10 is fixedly provided with a second protection block 9, the second protection block 9 is positioned at the outlet end of the expansion umbrella body 2, the outlet end of the delivery pipe 1 is fixedly provided with a fixed sleeve 5, the outer side of the fixed sleeve 5 is fixedly provided with a guide pipe 6, and the top end of the guide pipe 6 is fixedly provided with a pull pipe 7;

can make expansion umbrella body 2 slide in blood vessel through pulling first seal wire 10, can make the expansion of blood vessel back of the body like this, the ARC structure at expansion umbrella body 2 both ends can reduce the damage to the blood vessel inner wall, and first seal wire 10 and expansion umbrella body 2 can be avoided completely to first protection piece 3 and second protection piece 9 and break away from.

Expansion umbrella body 2's inboard fixed mounting has filter screen 21, filter core 22 has been installed to one side of filter screen 21, filter core 22 fixed mounting is in expansion umbrella body 2's inside, the exit end of induction pipe 6 is provided with connecting piece 8, connecting piece 8 includes threaded sleeve 81, threaded sleeve 81 and first seal wire 10 fixed connection, but threaded sleeve 81 inboard screw thread installs screw thread head 82, but the outside fixed mounting of screw thread head 82 has second seal wire 83, second seal wire 83 is the same with the diameter size of first seal wire 10, the diameter of threaded sleeve 81 is less than the diameter of induction pipe 6.

The filter screen 21 and the filter core 22 in the expansion umbrella body 2 can filter blood, guide some silted blood clots into the expansion umbrella body 2, avoid flowing into the blood vessel continuously, can take the expansion umbrella body 2 out of the body to clean up finally; the whole process operation can effectively protect the circulation of blood vessels.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a protect vascular device when using chemotherapy medicine, includes conveyer pipe (1), its characterized in that, the one end of conveyer pipe (1) is provided with expansion umbrella body (2), the one end fixed mounting of expansion umbrella body (2) has sleeve pipe (4), slidable mounting has first seal wire (10) in sleeve pipe (4), expansion umbrella body (2) and conveyer pipe (1) are run through in first seal wire (10), the one end fixed mounting of first seal wire (10) has first protecting block (3), first protecting block (3) are located the entrance point of expansion umbrella body (2), the other end fixed mounting of first seal wire (10) has second protecting block (9), second protecting block (9) are located the exit end of expansion umbrella body (2), the exit end fixed mounting of conveyer pipe (1) has fixed cover (5), the outside fixed mounting of fixed cover (5) has leading-in pipe (6), and a pulling pipe (7) is fixedly arranged at the top end of the leading-in pipe (6).

2. The device for protecting blood vessels when using chemotherapeutics according to claim 1, characterized in that the inner side of the expansion umbrella body (2) is fixedly installed with a filter screen (21), one side of the filter screen (21) is installed with a filter core (22), and the filter core (22) is fixedly installed inside the expansion umbrella body (2).

3. A device for protecting blood vessels when using chemotherapeutics according to claim 1, characterized in that the outlet end of the introduction tube (6) is provided with a connector (8), the connector (8) comprising a threaded sleeve (81), the threaded sleeve (81) being fixedly connected to the first guide wire (10).

4. A device for protecting blood vessels when using chemotherapeutics according to claim 3, characterized in that the threaded sleeve (81) is threadably mounted with a threaded head (82) inside, and a second guide wire (83) is fixedly mounted on the outside of the threaded head (82).

5. A device for protecting blood vessels against chemotherapeutics according to claim 4, characterized in that the diameter of the second guide wire (83) is the same size as the diameter of the first guide wire (10), and the diameter of the threaded sleeve (81) is smaller than the diameter of the introduction tube (6).